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IB Mathematics: Applications and Interpretation HL · AHL 4: Vectors · AHL 4.18

Parallel vectors, perpendicular vectors and area Problem set A Answers

Skills

  1. 4.74

    1. (a) 6.04
    2. (b) 15.3
    1. (a) \(\overrightarrow{PQ}\times\overrightarrow{PR}=\mathbf{0}\), so PQ and PR are parallel and P, Q, R are collinear
    2. (b) 4.95

In context

    1. (a) 7.78 m²
    2. (b) \$497.80
    1. (a) 14.6
    2. (b) 5.62

Stretch

    1. (a) see working
    2. (b) 4.38

jmaths.xyz · AI HL · AHL 4.18 Parallel vectors, perpendicular vectors and area